PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15967622-4 2005 In the case of ceftriaxone the situation is even more complicated, three overlapping processes coexist with pK1 2.37 (COOH), pK2 3.03 (aminothiazole) and pK3 4.21 (hydroxytriazinone). Ceftriaxone 15-26 pyruvate kinase M1/2 Homo sapiens 154-157